Wright, B M <br/><br/>
Whistle discriminator for oxygen and nitrous oxide.  [electronic resource] 

 -  Lancet (London, England)  Nov 1977 
 - 1008 p.  digital 
<br/><br/> Publication Type: Comparative Study; Journal Article 
<br/><br/><label>ISSN: </label>0140-6736 
<br/><br/><label>Standard No.: </label>10.1016/s0140-6736(77)92900-2  doi 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Accident Prevention<br/>Anesthesia, Inhalation--instrumentation<br/>Nitrous Oxide<br/>Oxygen<br/>Protective Devices<br/>Sound